Home / 49,448.40-74,144.65-19,471.92

Finding the Fourth Proportional to 49,448.40, 74,144.65 and 19,471.92

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Solution

The fourth proportional to 49,448.40, 74,144.65 and 19,471.92 is: 29,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,448.40 : 74,144.65 = 19,471.92 : x
  2. Step 2: Convert to fraction form
    49,448.40/74,144.65 = 19,471.92/x
  3. Step 3: Cross multiply
    49,448.40x = 74,144.65 × 19,471.92
  4. Step 4: Simplify right side
    49,448.40x = 1,443,738,532.21
  5. Step 5: Solve for x
    x = 1,443,738,532.21/49,448.40
  6. Step 6: Final answer
    x = 29,196.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.